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Densitometric analysis of Western blot of TIMP-1 (A) and TIMP-2 (B) expressions at 2-week and 12-week time points. Labels a and b represent P < .05; labels a–g represent P < .05 compared with FA, PPA, PA and DPA at 2 weeks (a); FA, PPA, PA, and DPA at 12 weeks (b); JV at 2 weeks (c); JV at 12 weeks (d); the neck at 2 weeks (e); the neck at 12 weeks (f); and the dome at 2 weeks (g).
